Exam : 070-316 Title : Microsoft 70-316Developing Windows-based Applications Ver : 11-10-06 QUESTION 1: 070-316 You create a Windows Form named Certkiller Form. The form enables users to maintain database records in a table named Certkiller . You need to add several pairs of controls to Certkiller Form. You must fulfill the following requirements: 1. Each pair of controls must represent one column in the Certkiller table. 2. Each pair must consist of a TextBox control and a Label control. 3. The LostFocus event of each TextBox control must call a procedure named UpdateDatabase. 4. Additional forms similar to Certkiller Form must be created for other tables in the database. 5. Application performance must be optimized. 6. The amount of necessary code must be minimized. What should you do? A. Create and select a TextBox control and a Label control. Write the appropriate code in the LostFocus event of the TextBox control. Repeatedly copy and paste the controls into Certkiller Form until every column in the Certkiller table has a pair of controls. Repeat this process for the other forms. B. Add a TextBox control and a Label controls to Certkiller Form. Write the appropriate code in the LostFocus event of the TextBox control. Create a control array form the TextBox control and the Label control. At run time, add additional pairs of controls to the control array until every column in the Certkiller table has a pair of controls. Repeat this process for the other forms. C. Create a new user control that includes a TextBox control and a Label control. Write the appropriate code in the LostFocus event of the TextBox control. For each column in the Certkiller table, add one instance of the user control to the Certkiller Form. Repeat this process for the other forms. D. Create a new ActiveX control that includes a TextBox control and a Label control. For each column in the Certkiller table, add one instance of the ActiveX control to Certkiller Form. Repeat this process for the other forms. Answer: C Explanation: We combine multiple Windows Form controls into a single control, called user control. This is the most efficient solution to reuse functionality in this scenario. Note: Sometimes, a single control does not contain all of the functionality you need. For instance, you might want a control that you can bind to a data source to display a first name, last name, and phone number, each in a separate TextBox. Although it is possible Skyloong 微軟解決方案專家認證 070-316 to implement this logic on the form itself, it might be more efficient to create a single control that contains multiple text boxes, especially if this configuration is needed in many different applications. Controls that contain multiple Windows Forms controls bound together as a single unit are called user controls. Reference: 70-306/70-316 Training kit, Inheriting from UserControl, Page 345 Incorrect Answers A: Only the controls, not the code of the control will be copied. B: This is not the best solution. With a user control we could avoid writing code that are executed at run time. D: ActiveX controls should be avoided in Visual Studio .NET. They are less efficient. QUESTION 2: You use Visual Studio .NET to create a Windows-based application. The application captures screen shots of a small portion of the visible screen. You create a form named Certkiller CameraForm. You set the Certkiller CameraForm.BackColor property to Blue. You create a button on the form to enable users to take a screen shot. Now, you need to create a transparent portion of Certkiller CameraForm to frame a small portion of the screen. Your application will capture an image of the screen inside the transparent area. The resulting appearance of CertK i ngCameraForm is shown in the exhibit: You add a Panel control to Certkiller CameraForm and name it transparentPanel. You must ensure that any underlying applications will be visible within the panel. Which two actions should you take? (Each correct answer presents part of the Skyloong 微軟解決方案專家認證 solution. Choose two.) A. Set transparentPanel.BackColor to Red. B. Set transparentPanel.BackColor to Blue. C. Set transparentPanel.BackgroundImage to None. D. Set transparentPanel.Visible to False. E. Set Certkiller CameraForm.Opacity to 0%. 070-316 F. Set Certkiller CameraForm.TransparencyKey to Red. G. Set Certkiller CameraForm.TransparencyKey to Blue. Answer: A, F Explanation: A: We set the Background color of the Panel to Red. F: We then the transparency color of the Form to Red as well. This will make only the Panel transparent, since the background color of the form is Blue. QUESTION 3: You use Visual Studio .NET to create a Windows-based application. The application includes a form named Certkiller Form. Certkiller Form contains 15 controls that enable users to set basic configuration options for the application. You design these controls to dynamically adjust when users resize Certkiller Form. The controls automatically update their size and position on the form as the form is resized. The initial size of the form should be 650 x 700 pixels. If ConfigurationForm is resized to be smaller than 500 x 600 pixels, the controls will not be displayed correctly. You must ensure that users cannot resize ConfigurationForm to be smaller than 500 x 600 pixels. Which two actions should you take to configure Certkiller Form? (Each correct answer presents part of the solution. Choose two) A. Set the MinimumSize property to "500,600". B. Set the MinimumSize property to "650,700". C. Set the MinimizeBox property to True. D. Set the MaximumSize property to "500,600". E. Set the MaximumSize property to "650,700". F. Set the MaximumBox property to True. G. Set the Size property to "500,600". H. Set the Size property to "650,700". Answer: A, H Explanation: A: The Form.MinimumSize Property gets or sets the minimum size the form can be Skyloong 微軟解決方案專家認證 resized to. It should be set to "500, 600". 070-316 H: We use the size property to set the initial size of the form. The initial size should be set to "650, 700". Reference: .NET Framework Class Library, Form.MinimumSize Property [C#] .NET Framework Class Library, Form.Size Property [C#] Incorrect Answers B: The initial size is 650 x 750. The minimal size should be set to "500,600". C: The minimize button will be displayed, but it will not affect the size of the form. D, E: There is no requirement to define a maximum size of the form. F: The maximize button will be displayed, but it will not affect the size of the form. G: The initial size should be 650 x 700, not 500 x 600. QUESTION 4: You use Visual Studio .NET to create a Windows-based application. The application includes a form named CertK Form, which displays statistical date in graph format. You use a custom graphing control that does not support resizing. You must ensure that users cannot resize, minimize, or maximize CertK Form. Which three actions should you take? (Each answer presents part of the solution. Choose three) A. Set CertK Form.MinimizeBox to False. B. Set CertK Form.MaximizeBox to False. C. Set CertK Form.ControlBox to False. D. Set CertK Form.ImeMode to Disabled. E. Set CertK Form.WindowState to Maximized. F. Set CertK Form.FormBorderStyle to one of the Fixed Styles. G. Set CertK Form.GridSize to the appropriate size. Answer: A, B, F Explanation: We disable the Minimize and Maximize buttons with the CertK Form.Minimizebox and the CertK Form.Maximizebox properties. Furthermore we should use a fixed FormBorderStyle to prevent the users from manually resizing the form. Reference: Visual Basic and Visual C# Concepts, Changing the Borders of Windows Forms .NET Framework Class Library, Form.MinimizeBox Property [C#] .NET Framework Class Library, Form.MaximizeBox Property [C#] QUESTION 5: You use Visual Studio .NET to create a Windows-based application for Certkiller Inc. The application includes a form that contains several controls, including a button named exitButton. After you finish designing the form, you select all controls Skyloong 微軟解決方案專家認證 070-316 and then select Lock Controls from the Format menu. Later, you discover that exitButton is too small. You need to enlarge its vertical dimension with the least possible effort, and without disrupting the other controls. First you select exitButton in the Windows Forms Designer. What should you do next? A. Set the Locked property to False. Set the Size property to the required size. Set the Locked property to True. B. Set the Locked property to False. Use the mouse to resize the control. Set the Locked property to True. C. Set the Size property to the required size. D. Use the mouse to resize the control. Answer: C QUESTION 6: You develop a Windows control named FormattedTextBox, which will be used by many developers in your company Certkiller Inc. FormattedTextBox will be updated frequently. You create a custom bitmap image named CustomControl.bmp to represent FormattedTextBox in the Visual Studio .NET toolbox. The bitmap contains the current version number of the control, and it will be updated each time the control is updated. The bitmap will be stored in the application folder. If the bitmap is not available, the standard TextBox control bitmap must be displayed instead. Which class attribute should you add to FormattedTextBox? A. [ToolboxBitmap(typeof(TextBox))[ class FormattedTextBox B. [ToolboxBitmap(@"CustomControl.bmp")] class FormattedTextBox C. [ToolboxBitmap(typeof(TextBox), "CustomControl.bmp")] class FormattedTextBox D. [ToolboxBitmap(typeof(TextBox))] [ToolboxBitmap(@"CustomControl.bmp")] class FormattedTextBox Answer: B Explanation: You specify a Toolbox bitmap by using the ToolboxBitmapAttribute class. The ToolboxBitmapAttribute is used to specify the file that contains the bitmap. Reference: 70-306/70-316 Training kit, To provide a Toolbox bitmap for your control, Skyloong 微軟解決方案專家認證 Page 355-356 Incorrect Answers 070-316 A, C, D: If you specify a Type (type), your control will have the same Toolbox bitmap as that of the Type (type) you specify. QUESTION 7: You use Visual Studio .NET to develop a Windows-based application that contains a single form. This form contains a Label control named labelCKValue and a TextBox control named textCKValue. labelCKValue displays a caption that identifies the purpose of textCKValue. You want to write code that enables users to place focus in textCKValue when they press ALT+V. This key combination should be identified to users in the display of labelCKValue. Which three actions should you take? (Each correct answer presents part of the solution. Choose three) A. Set labelCKValue.UseMnemonic to True. B. Set labelCKValue.Text to "&Value". C. Set labelCKValue.CausesValidation to True. D. Set textCKValue.CausesValidation to True. E. Set textCKValue.TabIndex to exactly one number less than labelValue.TabIndex. F. Set textCKValue.TabIndex to exactly one number more than labelValue.TabIndex. G. Set textCKValue.Location so that textValue overlaps with labelValue on the screen. H. Add the following code to the Load event of MainForm: text.value.controls.Add (labelValue); Answer: A, B, F Explanation: If the UseMnemonic property is set to true (A) and a mnemonic character (a character preceded by the ampersand) is defined in the Text property of the Label (B), pressing ALT+ the mnemonic character sets the focus to the control that follows the Label in the tab order (F). You can use this property to provide proper keyboard navigation to the controls on your form. Note1 The UseMnemonic property gets or sets a value indicating whether the control interprets an ampersand character (&) in the control's Text property to be an access key prefix character. UseMnemonic is set to True by default. Note 2: As a practice verify the answer yourself. Reference: NET Framework Class Library, Label.UseMnemonic Property [C#] Incorrect Answers C, D: The CausesValidation setting has no effect in this scenario. E: The Text control must tabindex that is the successor to the tabindex of the label control. G, H: This is not necessary. It has no effect here. QUESTION 8: Skyloong 微軟解決方案專家認證 070-316 You use Visual Studio .NET to create a Windows-based application called Certkiller Mortage. The main form of the application contains several check boxes that correspond to application settings. One of the CheckBox controls is named advancedCheckBox. The caption for advancedCheckBox is Advanced. You must enable users to select or clear this check box by pressing ALT+A. Which two actions should you take? (Each correct answer presents part of the solution. Choose two) A. Set advancedCheckBox.AutoCheck to True. B. Set advancedCheckBox.AutoCheck to False. C. Set advancedCheckBox.Text to "&Advanced". D. Set advancedCheckBox.Tag to "&Advanced". E. Set advancedCheckBox.CheckState to Unchecked. F. Set advancedCheckBox.CheckState to Indeterminate. G. Set advancedCheckBox.Apperance to Button. H. Set advancedCheckBox.Apperance to Normal. Answer: A, C Explanation: A: The AutoCheck property must be set to True so that the CheckBox automatically is changed when the check box is accessed. C: The Text property contains the text associated with this control. By using the &-sign we define a shortcut command for this control. "@Advanced" defines the shortcut ALT+A. Reference: .NET Framework Class Library, CheckBox Properties .NET Framework Class Library, CheckBox.AutoCheck Property [C#] Incorrect Answers B: If AutoCheck is set to false, you will need to add code to update the Checked or CheckState values in the Click event handler. D: The Tag property only contains data about the control. E, F: The CheckState property only contains the state of the check box. G, H: The appearance property only determines the appearance of a check box control. QUESTION 9: Your company Certkiller , uses Visual Studio .NET to develop internal applications. You create a Windows control that will display custom status bar information. Many different developers at Certkiller will use the control to display the same information in many different applications. The control must always be displayed at the bottom of the parent form in every application. It must always be as wide as the form. When the form is resized, the control should be resized and repositioned accordingly. What should you do? Skyloong 微軟解決方案專家認證 070-316 A. Create a property to allow the developers to set the Dock property of the control. Set the default value of the property to AnchorStyle.Bottom. B. Create a property to allow the developer to set the Anchor property of the control. Set the default value of the property to AnchorStyle.Bottom. C. Place the following code segment in the UserControl_Load event: this.Dock = DockStyle.Bottom; D. Place the following code segment in the UserControl_Load event: this.Anchor = AnchorStyle.Bottom; Answer: C Explanation: DockStyle.Bottom docks the control to the bottom of the form. This will force the control to be as wide as to form. Furthermore the control will be resized automatically. Reference: Visual Basic and Visual C# Concepts, Aligning Your Control to the Edges of Forms NET Framework Class Library, AnchorStyles Enumeration [C#] Incorrect Answers A: There is no need to the other developers to set the Dock property. B: The Dock property should be used. D: The Anchorstyle class specifies how a control anchors to the edges of its container. Not how a control is docked. QUESTION 10: As a software developer at Certkiller inc. you use Visual Studio .NET to create a Windows-based application. You need to make the application accessible to users who have low vision. These users navigate the interface by using a screen reader, which translates information about the controls on the screen into spoken words. The screen reader must be able to identify which control currently has focus. One of the TextBox controls in your application enables users to enter their names. You must ensure that the screen reader identifies this TextBox control by speaking the word "name" when a user changes focus to this control. Which property of this control should you configure? A. Tag B. Next C. Name D. AccessibleName E. AccessibleRole Answer: D Explanation: The AccessibleName property is the name that will be reported to the accessibility aids. Reference: Skyloong 微軟解決方案專家認證 070-316 Visual Basic and Visual C# Concepts, Providing Accessibility Information for Controls on a Windows Form Visual Basic and Visual C# Concepts, Walkthrough: Creating an Accessible Windows Application Incorrect Answers A, B, C: The Tag, Next and Name properties of a control is not used directly by accessibility aids. E: The AccessibleRole property describes the use of the element in the user interface. QUESTION 11: You develop a Visual Studio .NET application that dynamically adds controls to its form at run time. You include the following statement at the top of your file: using System.windows.Forms; In addition, you create the following code to add Button controls: Button tempButton = new Button ( ) ; tempButton.Text = NewButtonCaption; tempButton.Name = NewButtonName; tempButton.Left = NewButtonLeft; tempButton.Top= NewButtonTop; this.Controls.Add (tempButton) ; tempButton.Click += new EventHnadler (ButtonHnadler) ; Variables are passed into the routine to supply values for the Text, Name, Left, and Top properties. When you compile this code, you receive an error message indicating that ButtonHandler is not declared. You need to add a ButtonHandler routine to handle the Click event for all dynamically added Button controls. Which declaration should you use for ButtonHandler? A. public void ButtonHandler() B. public void ButtonHandler(System.Windows.Forms.Button sender) C. public void ButtonHandler(System.Object sender) D. public void ButtonHandler(System.Windows.Forms.Button sender, System.EventArgs e) E. public void ButtonHandler(System.Object sender, System.EventArgs e) Answer: E QUESTION 12: You develop a Windows-based application that includes the following code segment. (Line numbers are included for reference only.) 01 private void Password_Validating(object sender, 02 System.ComponentModel.CancelEventArgs e) 03 { Skyloong 微軟解決方案專家認證 04 if (Valid Certkiller Password() == false) 05 { 06 //Insert new code. 07 } 08 } 070-316 You must ensure that users cannot move control focus away from textPassword if Valid Certkiller Password returns a value of False. You will add the required code on line 6. A. e.Cancel = true; B. sender name; C. password.AcceptsTab = false ; D. password.CausesValidation = false ; Answer: A Explanation: If the input in the control does not fall within required parameters, the Cancel property within your event handler can be used to cancel the Validating event and return the focus to the control. Reference: 70-306/70-316 Training kit, The Validating and Validated Events, Page 89 Incorrect Answers B: Setting an object to an unknown variable is rubbish. C: The AccptsTab property gets or sets a value indicating whether pressing the TAB key in a multiline text box control types a TAB character in the control instead of moving the